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February 15, 2026

Southwest Power Pool (SPP)

SPP
FERC Approves Revisions to SPP GI Process
FERC accepted SPP tariff revisions that clarify its interconnection customers’ financial security refund.
Lawrence Berkeley National Laboratory
Interconnection Costs on the Rise, Berkeley Lab Study Finds

Interconnection costs are on the rise across the U.S., according to a Lawrence Berkeley National Laboratory analysis of thousands of projects in five organized electricity markets.

MISO and SPP
MISO Stakeholders Request JTIQ Cost Containment Measures
Stakeholders asked for cost containment measures for MISO's and SPP’s Joint Targeted Interconnection Queue portfolio after the RTOs said the cost estimate for the projects nearly doubled.
© RTO Insider LLC
Under the Dome: ERCOT Sets Peak Demand Marks
ERCOT is setting records for peak demand in what has been described as "hellacious" temperatures, "even by Texas standards."
MISO and SPP
JTIQ Portfolio Cost Estimate Nearly Doubles to $1.9B
The cost estimate for MISO’s and SPP’s package of 345-kV lines meant to facilitate the interconnection of generation at the seams has nearly doubled, the RTOs have said in the past week.
Lawrence Berkeley National Laboratory
Iterative Changes to Interconnection Queues Discussed at Transmission Summit
At Infocast’s Transmission & Interconnection Summit, experts said interconnection requests continue to grow and grid operators have tried to keep pace.
Enel Green Energy
FERC Accepts SPP’s Planning Study Processes for TOs
FERC has approved SPP’s tariff revisions to its transmission planning process that establish new study processes for transmission-owning members.
Office of Nuclear Energy
NextEra Gets Final OK for Kansas-Missouri Tx Line
Kansas regulators have granted a siting permit for NextEra Energy Transmission's Wolf Creek-Blackberry project, clearing the way for construction to begin.
Oklahoma Municipal Power Authority
Texas PUC Rejects SWEPCO Application for Renewables at Pirkey
Texas regulators rejected SWEPCO's application to build renewable generation resources at the site of a coal plant that ceased operations in March.
GridLiance
MISO, SPP Staffs Take Crack at Rate Pancaking
SPP and MISO plan to draft a white paper on rate pancaking and unreserved use, two issues that bedevil utilities along the RTOs’ seam.

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